285/40R18 Tire Size

Specifications, compatible vehicles, alternative sizes, and comparison links for 285/40R18.

Tire Specifications

285/40R18

Standard Tire Size Notation

285

Section Width (mm)

40

Aspect Ratio (%)

18”

Rim Diameter (in)

Overall Diameter:685.2 mm (27.0”)
Sidewall Height:114 mm (4.5”)
Circumference:2152.6 mm
Revolutions/Mile:748

Compatible Vehicles

No vehicles found for this tire size in our database.

Alternative Tire Sizes

Plus/minus sizing options and same-diameter alternatives based on 285/40R18.

Plus Sizing

295/35R18305/30R18

Minus Sizing

275/45R18265/50R18

Same Diameter

275/40R18295/40R18

Compare Tire Sizes

See the difference between 285/40R18 and another size

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